AnthropicClaude Opus 4.1 pricing
$15.00 per 1M input tokens and $75.00 per 1M output tokens. In real work that is 9.5¢ per chat answer and 33¢ to summarize a 20-page PDF.
What Claude Opus 4.1 costs per task
Token counts estimated from a measured model of the same lab (Claude Sonnet 5.5), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 9.5¢$95.12 / 1,000 | 61 in · 1,256 out | 332 of 336 | estimated |
| Reply to a customer email | 3.0¢$29.81 / 1,000 | 362 in · 325 out | 331 of 336 | estimated |
| Write a 1,500-word blog post | 27¢$274 / 1,000 | 90 in · 3,401 out · 239 reasoning | 331 of 336 | estimated |
| Write 10 product descriptions | 33¢$331 / 1,000 | 454 in · 1,866 out · 2,459 reasoning | 335 of 336 | estimated |
| Translate 1,000 words | 19¢$191 / 1,000 | 1,832 in · 2,186 out | 330 of 336 | estimated |
| Proofread one page (500 words) | 8.3¢$83.28 / 1,000 | 987 in · 913 out | 329 of 336 | estimated |
| Summarize a 20-page PDF | 33¢$334 / 1,000 | 18,004 in · 857 out | 331 of 336 | estimated |
| Extract data from an invoice | 7.7¢$77.27 / 1,000 | 546 in · 604 out · 317 reasoning | 330 of 336 | estimated |
| Analyze a 200-row spreadsheet | ≥$1.28$1,281 / 1,000 | 5,433 in · 0 out · 16,000 reasoning | 332 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 20¢$205 / 1,000 | 5,184 in · 1,079 out · 615 reasoning | 335 of 336 | estimated |
| Classify 100 support tickets | 6.7¢$66.78 / 1,000 | 1,747 in · 541 out | 316 of 336 | estimated |
| Review 500 lines of code | 60¢$597 / 1,000 | 7,117 in · 3,067 out · 3,476 reasoning | 332 of 336 | estimated |
| Write a SQL query | 8.2¢$82.00 / 1,000 | 182 in · 839 out · 218 reasoning | 333 of 336 | estimated |
| Run a 50-step coding agent | $8.55$8,553 / 1,000 | 3,101,175 in · 20,790 out · 10,900 reasoning | 326 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Claude Opus 4.1 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
 Amazon Bedrockunknown | $15.00 / $75.00 | $1.50 | 200K |
Price history
First seen in our price history on Aug 12, 2025 at $15.00 input / $75.00 output. The list price has not changed since.
FAQ
How much does Claude Opus 4.1 cost?
Claude Opus 4.1 costs $15.00 per 1 million input tokens and $75.00 per 1 million output tokens, with cached input at $1.50 (list price on Oct 18, 2026). In practice one chat answer costs about 9.5¢ and summarizing a 20-page PDF about 33¢.
Where is Claude Opus 4.1 cheapest?
Among 1 providers we track, the lowest list price today is at Amazon Bedrock: $15.00 input and $75.00 output per 1M tokens.
Is the Claude Opus 4.1 cost per task measured or estimated?
Estimated: Claude Opus 4.1 was not run directly. Tokens come from Claude Sonnet 5.5 and are rescaled by the tokenizer of Anthropic. Real usage can differ.